Interface Signal List (Female Connectors) A-1
Appendix A Interface Specifications and Cable Diagrams

This appendix lists the cable types and connector specifications.

A.1 Interface Signal List (Female Connectors)

The following section provides information on the different interfaces for the

FCD-IPM. Table A-1 provides a list of interface signals.

Table A-1. Interface Signal List (Female Connectors)

SIGNAL
FUNCTION
SOURCE V.24/
RS-232
DB-25
FEMALE
V.35**
34-PIN
(FEMALE)
PIN
CIRCUIT
EIA-530
DB-25
(FEMALE)
PIN
CIRCUIT
V.36/
RS-449**
DB-37
(FEMALE)
PIN
CIRCUIT
X.21*
DB-15
(FEMALE)
PIN
CIRCUIT
[FUNCTION]
DESCRIPTION
Protective
Ground
COMMON 1 A Frame 101 1 1 1 -
[shield]
Chassis ground.
May be isolated
from Signal
Ground.
Signal
Ground
COMMON 7 B Signal
GND
102 7 AB 19 SG 8 -
[GND]
Common Signal
and DC power
supply ground.
Transmitted
Data
DTE 2 S TD(B)
P TD(A)
103
103
2
14
BA (A)
BA (B)
4
22
SD(A)
SD(B)
2
9
T(A)
T(B)
[TRANSMIT]
Serial data
output from
FCD-IPM. The
data transitions
occur on the
rising edge of
the clock.
Received
Data
DCE 3 E DSR 104
104
3
16
BB(A)
BB(B)
6
24
RD(A)
RD(B)
4
11
R(A)
R(B)
[RECEIVE]
Serial data
input to
FCD-IPM. The
data transitions
occur on the
rising edge of
the clock.
Request to
Send
DTE 4 C RTS 105 4
19
CA(A)
CA(B)
7
25
RS(A)
RS(B)
3
10
C(A)
C(B)
[CONTROL]
ON from the
unit upon
completion of
Self-Test.
Clear To
Send
DCE 5 D CTS 106 5
13
CB(A)
CB(B)
9
27-
CS(A)
CS(B)
- - FCD-IPM
expects CTS
ON.
Data Set
Ready
DCE 6 107 6
22
CC(A)
CC(B)
11
29
DM(A)
DM(B)
- - Not used.